C # Decimal retains the specified number of decimal digits, not rounded

Decimal retains the specified number of decimal places. NET comes with methods that are rounded.

In the case of a project where the amount is assessed, the amount of the last Article = Total amount-The sum of the amount that has been assessed.

This may cause the last allocation to be negative, so you write a method that retains the specified number of decimal places.

The use of extension methods makes it very elegant to call them.

1  Public Static classdecimalextension2     {3         /// <summary>4         ///Decimal retains the specified number of decimal places5         /// </summary>6         /// <param name= "num" >Original Quantity</param>7         /// <param name= "scale" >number of decimal digits reserved</param>8         /// <returns>intercepts the number of digits after the specified number of decimal place strings</returns>9          Public Static stringToString ( This decimalNumintScale )Ten         { One             stringNumtostring =Num. ToString (); A  -             intindex = Numtostring.indexof ("."); -             intLength =numtostring.length; the  -             if(Index! =-1) -             { -                 return string. Format ("{0}. {1}", +Numtostring.substring (0, index), -Numtostring.substring (Index +1, Math.min (Length-index-1, scale) )); +             } A             Else at             { -                 returnNum. ToString (); -             } -         } -}

Decimal retains the specified number of decimal places

C # Decimal retains the specified number of decimal digits, not rounded